1 files changed, 153 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/drivers/src/nrfx_wdt.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/drivers/src/nrfx_wdt.c
new file mode 100644
index 0000000..d4d33b1
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/drivers/src/nrfx_wdt.c
@@ -0,0 +1,153 @@
+/**
+ * Copyright (c) 2015 - 2018, Nordic Semiconductor ASA
+ * 
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ *    Semiconductor ASA integrated circuit in a product or a software update for
+ *    such product, must reproduce the above copyright notice, this list of
+ *    conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ * 
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ * 
+ * 4. This software, with or without modification, must only be used with a
+ *    Nordic Semiconductor ASA integrated circuit.
+ * 
+ * 5. Any software provided in binary form under this license must not be reverse
+ *    engineered, decompiled, modified and/or disassembled.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#include <nrfx.h>
+
+#if NRFX_CHECK(NRFX_WDT_ENABLED)
+#include <nrfx_wdt.h>
+
+#define NRFX_LOG_MODULE WDT
+#include <nrfx_log.h>
+
+
+/**@brief WDT event handler. */
+static nrfx_wdt_event_handler_t m_wdt_event_handler;
+
+/**@brief WDT state. */
+static nrfx_drv_state_t m_state;
+
+/**@brief WDT alloc table. */
+static uint32_t m_alloc_index;
+
+/**@brief WDT interrupt handler. */
+void nrfx_wdt_irq_handler(void)
+{
+    if (nrf_wdt_int_enable_check(NRF_WDT_INT_TIMEOUT_MASK) == true)
+    {
+        nrf_wdt_event_clear(NRF_WDT_EVENT_TIMEOUT);
+        m_wdt_event_handler();
+    }
+}
+
+
+nrfx_err_t nrfx_wdt_init(nrfx_wdt_config_t const * p_config,
+                         nrfx_wdt_event_handler_t  wdt_event_handler)
+{
+    NRFX_ASSERT(p_config);
+    NRFX_ASSERT(wdt_event_handler != NULL);
+    nrfx_err_t err_code;
+    m_wdt_event_handler = wdt_event_handler;
+
+    if (m_state == NRFX_DRV_STATE_UNINITIALIZED)
+    {
+        m_state = NRFX_DRV_STATE_INITIALIZED;
+    }
+    else
+    {
+        err_code = NRFX_ERROR_INVALID_STATE;
+        NRFX_LOG_WARNING("Function: %s, error code: %s.",
+                         __func__,
+                         NRFX_LOG_ERROR_STRING_GET(err_code));
+        return err_code;
+    }
+
+    nrf_wdt_behaviour_set(p_config->behaviour);
+
+    nrf_wdt_reload_value_set((p_config->reload_value * 32768) / 1000);
+
+    NRFX_IRQ_PRIORITY_SET(WDT_IRQn, p_config->interrupt_priority);
+    NRFX_IRQ_ENABLE(WDT_IRQn);
+
+    err_code = NRFX_SUCCESS;
+    NRFX_LOG_INFO("Function: %s, error code: %s.", __func__, NRFX_LOG_ERROR_STRING_GET(err_code));
+    return err_code;
+}
+
+
+void nrfx_wdt_enable(void)
+{
+    NRFX_ASSERT(m_alloc_index != 0);
+    NRFX_ASSERT(m_state == NRFX_DRV_STATE_INITIALIZED);
+    nrf_wdt_int_enable(NRF_WDT_INT_TIMEOUT_MASK);
+    nrf_wdt_task_trigger(NRF_WDT_TASK_START);
+    m_state = NRFX_DRV_STATE_POWERED_ON;
+    NRFX_LOG_INFO("Enabled.");
+}
+
+
+void nrfx_wdt_feed(void)
+{
+    NRFX_ASSERT(m_state == NRFX_DRV_STATE_POWERED_ON);
+    for (uint32_t i = 0; i < m_alloc_index; i++)
+    {
+        nrf_wdt_reload_request_set((nrf_wdt_rr_register_t)(NRF_WDT_RR0 + i));
+    }
+}
+
+nrfx_err_t nrfx_wdt_channel_alloc(nrfx_wdt_channel_id * p_channel_id)
+{
+    nrfx_err_t result;
+    NRFX_ASSERT(p_channel_id);
+    NRFX_ASSERT(m_state == NRFX_DRV_STATE_INITIALIZED);
+
+    NRFX_CRITICAL_SECTION_ENTER();
+    if (m_alloc_index < NRF_WDT_CHANNEL_NUMBER)
+    {
+        *p_channel_id = (nrfx_wdt_channel_id)(NRF_WDT_RR0 + m_alloc_index);
+        m_alloc_index++;
+        nrf_wdt_reload_request_enable(*p_channel_id);
+        result = NRFX_SUCCESS;
+    }
+    else
+    {
+        result = NRFX_ERROR_NO_MEM;
+    }
+    NRFX_CRITICAL_SECTION_EXIT();
+    NRFX_LOG_INFO("Function: %s, error code: %s.", __func__, NRFX_LOG_ERROR_STRING_GET(result));
+    return result;
+}
+
+void nrfx_wdt_channel_feed(nrfx_wdt_channel_id channel_id)
+{
+    NRFX_ASSERT(m_state == NRFX_DRV_STATE_POWERED_ON);
+    nrf_wdt_reload_request_set(channel_id);
+}
+
+#endif // NRFX_CHECK(NRFX_WDT_ENABLED)